arch/x86: Move max cpuid leaf function into arch/x86

This cpuid function (0) is same across Intel and AMD so having it in
arch/x86 seems like a good idea.

Change-Id: I38f1c40bceac38ed6428f74b08bf60b971644f5a
Signed-off-by: Andrey Petrov <anpetrov@fb.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36282
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: David Hendricks <david.hendricks@gmail.com>

0 files changed, 0 insertions, 0 deletions